nuclear
/ˈnjuːkliər/ adjective [always before noun]Definition
ENERGY › relating to the energy that is released when the nucleus (= central part) of an atom is divided: nuclear weapons/waste a nuclear power plant
PART OF ATOM › relating to the nucleus (= central part) of an atom: nuclear physics
(Definition of nuclear adjective from the Cambridge Learner's Dictionary
© Cambridge University Press)
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